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Which of These Statements Describes the Circular Muscle of the Iris

Question 372

Multiple Choice

Which of these statements describes the circular muscle of the iris


A) It contracts in response to bright light to produce pupillary constriction.
B) It is innervated by the sympathetic nervous system.
C) It contracts to slacken the suspensory ligaments and increase the strength of the lens during accommodation.
D) It is under voluntary control.

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